Only 16 songs remain in the quest to be crowned the Greatest Taylor Swift Song of All Time.

We've reached the Sweet 16 of Taylor Madness, with both powerhouses and Cinderella stories still battling for the throne. In a stunning upset, 1-seed Shake It Off was handily defeated by 9-seed State of Grace in Round 2. Could Blank Space or Love Story be next to fall, or will they continue to march to the Final Four?